include/svtools/parrtf.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_SVTOOLS_PARRTF_HXX
  21 #define INCLUDED_SVTOOLS_PARRTF_HXX
  22
  23 #include <svtools/svtdllapi.h>
  24 #include <svtools/svparser.hxx>
  25 #include <stack>
  26
  27 struct RtfParserState_Impl
  28 {
  29     rtl_TextEncoding eCodeSet;
  30     sal_uInt8 nUCharOverread;
  31
  32     RtfParserState_Impl( sal_uInt8 nUOverread, rtl_TextEncoding eCdSt )
  33         : eCodeSet( eCdSt ), nUCharOverread( nUOverread )
  34     {}
  35 };
  36
  37 class SVT_DLLPUBLIC SvRTFParser : public SvParser<int>
  38 {
  39     std::stack< RtfParserState_Impl > aParserStates;
  40     int              nOpenBrakets;
  41     rtl_TextEncoding eCodeSet;
  42     sal_uInt8        nUCharOverread;
  43
  44 private:
  45     static short _inSkipGroup;
  46
  47 protected:
  48     sal_Unicode GetHexValue();
  49     void ScanText();
  50     void SkipGroup();
  51
  52     // scan the next Token
  53     virtual int GetNextToken_() override;
  54
  55     void ReadUnknownData();
  56     void ReadBitmapData();
  57
  58     virtual ~SvRTFParser() override;
  59
  60     rtl_TextEncoding GetCodeSet() const             { return eCodeSet; }
  61     void SetEncoding( rtl_TextEncoding eEnc );
  62
  63 public:
  64     SvRTFParser( SvStream& rIn, sal_uInt8 nStackSize = 3 );
  65
  66     virtual SvParserState CallParser() override;   // calling the parser
  67
  68     // for asynchronous read from the SvStream
  69     virtual void Continue( int nToken ) override;
  70 };
  71
  72 #endif // INCLUDED_SVTOOLS_PARRTF_HXX
  73
  74 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */